Battery charger



FIG. 1 is a top, front, right side perspective view of a firstembodiment of a battery charger;

FIG. 2 is a top, front, left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a right-side elevational view thereof;

FIG. 7 is a top plan view thereof; and

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a top, front, right side perspective view of a secondembodiment of a battery charger;

FIG. 10 is a top, front, left side perspective view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a left-side elevational view thereof;

FIG. 14 is a right-side elevational view thereof;

FIG. 15 is a top plan view thereof; and,

FIG. 16 is a bottom plan view thereof.

The broken lines shown in the drawings depict portions of the batterycharger that form no part of the claimed design.

CLAIM The ornamental design for a battery charger, as shown anddescribed.